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Displays Relay Status And Gas Concentration, Includes Four Removable Relays For Alarms, Fans, etc. And Three 24 VDC Transistor Outputs For Buzzer, Strobe Light And Horn.
Features
Designed To Connect To M-Controller Gas Monitoring System, Which Can Host Up To 12 QRP-A Or M-Relay Units To Provide Flexible And Programmable Controls